Career
She represented Slovakia at the 2004, 2008 and 2012 Olympic Games. She has also reached the semi-finals of the World Championships in Athletics on five occasions. The following year she improved one place on the global stage, taking a silver medal at the 2002 World Junior Championships.
She set a personal best in the 800 m at the 2008 Meeting Gaz de France in Paris.
Her time of 1:58.51 was a step towards Gabriela Sedláková"s Slovakian record of 1:58.37, but it was overshadowed by Pamela Jelimo"s African record run. Klocová reached her first senior final at the 2010 European Athletics Championships, and she just missed out on a medal with a fourth-place finish in the women"s 800 m.
She broke Andrea Sollarova"s seventeen-year-old national record over 1500 metres at the Athletics Bridge meet in Dubnica later that year. Her time of 4:08.86 was enough for second place behind Olympic finalist Anna Mishchenko, who set a meet record.
At the 2012 Summer Olympics, she reached the 1500 m final, finishing in seventh place.
She is coached by Pavel Slouka and her club is Alaska ZTS Martin, where she returned after 8 years spent in Slávia United Kingdom Bratislava.